2 * (C) Copyright 2002-2010
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __ASM_GBL_DATA_H
9 #define __ASM_GBL_DATA_H
12 #include <asm/omap_boot.h>
15 /* Architecture-specific global data */
16 struct arch_global_data {
17 #if defined(CONFIG_FSL_ESDHC)
21 #if defined(CONFIG_U_QE)
26 #endif /* CONFIG_U_QE */
28 #ifdef CONFIG_AT91FAMILY
29 /* "static data" needed by at91's clock.c */
30 unsigned long cpu_clk_rate_hz;
31 unsigned long main_clk_rate_hz;
32 unsigned long mck_rate_hz;
33 unsigned long plla_rate_hz;
34 unsigned long pllb_rate_hz;
35 unsigned long at91_pllb_usb_init;
37 /* "static data" needed by most of timer.c on ARM platforms */
38 unsigned long timer_rate_hz;
41 unsigned long lastinc;
42 unsigned long long timer_reset_value;
43 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
44 unsigned long tlb_addr;
45 unsigned long tlb_size;
49 struct omap_boot_parameters omap_boot_params;
53 #include <asm-generic/global_data.h>
57 #define DECLARE_GLOBAL_DATA_PTR
60 static inline gd_t *get_gd(void)
66 * Make will already error that reserving x18 is not supported at the
67 * time of writing, clang: error: unknown argument: '-ffixed-x18'
69 __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
71 __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
80 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18")
82 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9")
86 #endif /* __ASM_GBL_DATA_H */